import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
import java.util.concurrent.FutureTask;

public class ThreadDemo {
    public static void main(String[] args) throws ExecutionException, InterruptedException {
        Callable<Integer> callable = new Callable<Integer>() {
            @Override
            public Integer call() throws Exception {
                int sum = 0;
                for (int i = 0; i <= 1000; i++) {
                    sum += i;
                }
                return sum;
            }
        };
        //来复习一下Runnable是怎么构建新线程的
        Runnable runnable = new Runnable() {
            @Override
            public void run() {
                System.out.println("我是傻逼");
            }
        };

        FutureTask<Integer> futureTask = new FutureTask<>(callable);
        Thread t = new Thread(futureTask);
        Thread t1 = new Thread(runnable);
        t.start();
        t1.start();
        System.out.println(futureTask.get());
    }
}
